Murine isoforms of retinoic acid receptor γ with specific patterns of expression

P. Kastner, A. Krust, C. Mendelsohn, J. M. Garnier, A. Zelent, P. Leroy, A. Staub, P. Chambon

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272 Scopus citations


We have characterized seven murine retinoic acid receptor γ cDNA isoforms (mRAR-γ1 to -γ7) generated by alternative splicing of at least seven exons. These isoforms differ from one another in their 5' untranslated region and in two cases (mRAR-γ1 and -γ2) differ in their N-terminal A region, which is known to be important for differential transactivation by other nuclear receptors. mRAR-γ1 and -γ2, the predominant isoforms, are differentially expressed in adult tissues and during embryogenesis. Most notably, skin contains almost exclusively mRAR-γ1 transcripts. The conservation of the RAR-γ isoforms from mouse to human together with their patterns of expression suggests that they perform specific functions, which may account for the pleiotropic effect of retinoic acid in embryogenesis and development.

Original languageEnglish (US)
Pages (from-to)2700-2704
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Issue number7
StatePublished - 1990
Externally publishedYes

ASJC Scopus subject areas

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